<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>dEMO</title>
	<style>
	body{ font-family: Verdana; }
textarea { width: 600px; background-color: #373737; height: 300px; padding-top: 10px; padding-right: 10px; padding-left: 10px; padding-bottom: 10px; overflow: auto; color: green; font-size: 16px; }
    </style>
</head>
<body>
<textarea type="text" id="text" class="text"></textarea>
<script src="./js/jquery-1.12.0.min.js"></script>
<script src="./js/auto-line-number.js"></script>
<script>
	$("#text").setTextareaCount({
		width: "30px",
		bgColor: "#000",
		color: "#FFF",
		display: "inline-block"
	});
</script>
</body>
</html>